/*
 * @Author: hucc
 * @Date: 2021-09-24 14:34:04
 * @LastEditors: hucc
 * @LastEditTime: 2021-09-24 14:38:37
 * @Description: 
 */
const name = "张三";
const age = "12";
let arr = [1, 2, 3, 4];
arr.forEach((item, index) => {
    console.log(index, item);
})